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  • The graph of the function y= cosx cos(x+2) cos^2(x+1) is

9580D4A4-1A97-45C5-8BAC-584B12E22E98.jpeg 6, The graph of the function y = cos x cos(x + 2) — cos2 (x + 1) is (a) a straight line passing through (0, sin2 1) with slope 2 (b) a straight line passing through (0, 0) sin2 1) (c) a parabola with vertex (1, — (d) a straight line passing through the point 2' x-axis. — sin 1 are parallel to the

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@Mujtaba

\\f(x)=\cos(x)\cos(x+2)-\cos^2(x+1)\\

\\ f'(x)=-\sin x\cos(x+2)-\cos x\sin(x+2)+2\cos(x+1)\sin(x+1)\\ =-\sin(2x+2)+\sin(2x+2)\\ =0

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himanshu.meshram

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